condition mean min max 12pM Fe,Midday 594.038 594.038 594.038 12pM Fe,Midnight 1132.593 979.966 1285.22 58pM Fe,Midday 1085.6 1085.6 1085.6 58pM Fe,Midnight 1883.6 1557.03 3183.5 233pM Fe,Midnight 2656.6833333333334 2591.5 2699.08 1160pM Fe,Midday 952.987 882.15 1061.99 1160pM Fe,Midnight 1787.9191666666666 1034.36 2904.36 High carbon,Dark 2015.6808666666666 283.873 2706.11 High carbon,Light 1911.4479230769232 917.187 2980.51 Low carbon,Dark 6233.15 6233.15 6233.15 Phloroglucinol 1281.8233333333333 1032.32 1513.12 Silicon starvation,12h 2763.36 2763.36 2763.36